Home / 142,833,787,390.08-197,110,658,772.96-78,604,511,698.38

Finding the Fourth Proportional to 142,833,787,390.08, 197,110,658,772.96 and 78,604,511,698.38

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Solution

The fourth proportional to 142,833,787,390.08, 197,110,658,772.96 and 78,604,511,698.38 is: 108,474,243,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,833,787,390.08 : 197,110,658,772.96 = 78,604,511,698.38 : x
  2. Step 2: Convert to fraction form
    142,833,787,390.08/197,110,658,772.96 = 78,604,511,698.38/x
  3. Step 3: Cross multiply
    142,833,787,390.08x = 197,110,658,772.96 × 78,604,511,698.38
  4. Step 4: Simplify right side
    142,833,787,390.08x = 15,493,787,083,393,929,838,592
  5. Step 5: Solve for x
    x = 15,493,787,083,393,929,838,592/142,833,787,390.08
  6. Step 6: Final answer
    x = 108,474,243,850.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.